Wednesday, January 18, 2012

First subzero temps of the season

The Twin Cities and much of greater Minnesota is in line to experience it’s first subzero temperatures by Thursday morning as Arctic air moves in behind an area of low pressure centered around the Great Lakes.  We normally see the first below zero reading in the Twin Cities on December 9th, so we are running over a month behind on winter.  The latest below zero reading in any given winter season is January 18th.  There has also never been a winter that has not dipped below zero at least twice in the Twin Cities.

My hunch is that we will break this old record Thursday morning (January 19th) as we hover around -5°F for a low in the Twin Cities.  Areas across northwestern Minnesota may see temps drop as low as -25°F, prompting an Extreme Cold Watch for that area.

NAM guidance showing the extend of the polar air across the continental United States mid-day Thursday:



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